Variable | Variable Type | Variable Description | Data Range/Unique Categories |
|---|---|---|---|
Make | Categorical | Brand or manufacturer of the vehicle.There are 42 unique values. | ACURA, ALFA ROMEO, ASTON MARTIN, AUDI, BENTLEY, BMW, BUGATTI, BUICK, CADILLAC,… |
Model | Categorical | Specific model of the vehicle. There are 2,053 unique values. | 4C, A4, A4 QUATTRO, A5 CABRIOLET QUATTRO, A5 QUATTRO, A6 QUATTRO, … |
Vehicle Class | Categorical | General category or type of vehicle based on size and purpose. There are 16 unique values. | COMPACT, FULL-SIZE, MID-SIZE, MINICOMPACT, MINIVAN, PICKUP TRUCK - SMALL,… |
Engine Size (L) | Quantitative | Engine size in liters. | Ranges from 0.9 to 8.4 |
Cylinders | Categorical | Number of cylinders in the vehicle's engine, ranging from 3 to 16. | 3, 4, 5, 6, 8, 10, 12, 16 |
Transmission | Categorical | The type and number of gears in the vehicle's transmission. There are 27 unique values. | A10, A4, A5, A6, A7, A8, A9, AM5, AM6, AM7, AM8, AM9, AS10, AS4, AS5, AS6, AS7, AS8, AS9, AV, AV10, AV6, AV7, AV8, M5, M6, M7 |
Fuel Type | Categorical | The type of fuel used by the vehicle. There are 5 unique values notated as one-letter codes: Z = Premium gasoline; D = Diesel; X = Regular gasoline; E = Ethanol (E85); N = Natural gas | Z, D, X, E, N |
Fuel Consumption - City (L/100km) | Quantitative | The estimated fuel consumption rate for city driving conditions, measured in liters per 100 kilometers (L/100km). | Ranges from 4.2 to 30.6 |
Fuel Consumption - Highway (L/100km) | Quantitative | The estimated fuel consumption rate for highway driving conditions, measured in liters per 100 kilometers (L/100km). | Ranges from 4.0 to 20.6 |
Fuel Consumption - Combined (L/100km) | Quantitative | The estimated average fuel consumption rate for combined city and highway driving conditions, measured in liters per 100 kilometers (L/100km). | Ranges from 4.1 to 26.1 |
Fuel Consumption - Combined (mpg) | Quantitative | The estimated average fuel consumption rate for combined city and highway driving conditions, measured in miles per gallon (mpg). | Ranges from 11 to 69 |
CO2 Emissions (g/km) | Response - Quantitative | The estimated carbon dioxide emissions produced by the vehicle, measured in grams per kilometer (g/km) | Ranges from 96 to 522 |